光催化
催化作用
基质(水族馆)
动力学
Atom(片上系统)
材料科学
化学工程
光化学
化学
有机化学
计算机科学
工程类
嵌入式系统
海洋学
物理
量子力学
地质学
作者
Linghao Zhu,Cong Qin,Yan Wang,Jianliang Cao
标识
DOI:10.1016/j.mcat.2023.113815
摘要
The photoreduction of CO2 to renewable fuels is a promising strategy for generating alternative energy feedstocks. Herein, four kinds of Pt based single-atom alloys (SAAs) loaded on the WS2 substrate (PtM1/WS2, M = Ru, Rh, Pd, Ag) on its photocatalytic performance toward the CO2 reduction have been comparably investigated using first-principles calculations. The results indicate that the PtM1/WS2 photocatalysts present the superior activity for CO2 conversion. Especially, the PtAg1/WS2 exhibits the highest catalytic activity. The linear relationships between the descriptors and photocatalytic activity are established. Simultaneously, the photocatalytic mechanism is effectively revealed by the descriptors. The enhanced adsorption strength of *CHO that leads to the smaller Eads-*CHO − Eads-*CO facilitates the kinetics of the rate-determining step (*CO → *CHO). Our findings suggest that the SAAs are the promising cocatalysts for developing WS2-based photocatalysts.
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